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Electron microscopy image depicting sperm and egg in the process of fertilization
Electron microscopy image depicting sperm and egg in the process of fertilization
Semen and urin samples being donated at a sperm bank.
Semen and urin samples being donated at a sperm bank.
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Sperm and egg fusing (fertilisation)
Sperm and egg fusing (fertilisation)
Human sperm stained for semen quality testing
Human sperm stained for semen quality testing